- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/587 - Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
Patent holdings for IPC class H01M 4/587
Total number of patents in this class: 5569
10-year publication summary
|
479
|
479
|
564
|
471
|
492
|
491
|
496
|
530
|
636
|
234
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 10813 |
421 |
| Samsung SDI Co., Ltd. | 6671 |
229 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
198 |
| LG Chem, Ltd. | 17205 |
166 |
| Murata Manufacturing Co., Ltd. | 22355 |
111 |
| Contemporary Amperex Technology Co., Limited | 5805 |
108 |
| Mitsubishi Chemical Corporation | 4313 |
104 |
| Toyota Motor Corporation | 28582 |
98 |
| NEC Corporation | 32703 |
96 |
| GS Yuasa International Ltd. | 1834 |
87 |
| SK on Co., Ltd. | 1016 |
83 |
| Showa Denko K.K. | 2539 |
78 |
| Semiconductor Energy Laboratory Co., Ltd. | 10902 |
77 |
| Ningde Amperex Technology Limited | 1512 |
73 |
| Honeycomb Battery Company | 359 |
70 |
| Samsung Electronics Co., Ltd. | 131630 |
66 |
| Sanyo Electric Co., Ltd. | 3926 |
64 |
| Kureha Corporation | 1026 |
47 |
| Hitachi Chemical Company, Ltd. | 2455 |
46 |
| Kuraray Co., Ltd. | 3392 |
44 |
| Other owners | 3303 |